DeDRM not working on a new book released 10/24/25 #35
Replies: 10 comments 56 replies
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As mentioned, running the extractor should produce both keyfile and **.k4i file, as long as you have KFX books in library (scanned folder). You should check if k4i (json file) has kindle.account.tokens and kindle.account.secrets entries filled. Then, you should import file in calibre by clicking on "Kindle for Mac/PC ebooks" and "import existing keyfiles" inside. Then drag book file to calibre as normal, and it should work... In theory. k4i generation was added specifically to deal with older format books in the first place. Please tell if it does not work. (And remember that it needs KFX books to be generated! That is where it gets secrets from) |
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I'm having the same issue here – my entire library has converted (using the latest 10.0.15 release). The only book that has not converted is an AZW file. Here is my log: |
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YesPeter AlbinOn Nov 11, 2025, at 7:35 PM, ElleKayEm ***@***.***> wrote:
You're using Kindle for PC 2.8.0?
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Let me know how I can help PeterOn Nov 11, 2025, at 7:35 PM, ElleKayEm ***@***.***> wrote:
You're using Kindle for PC 2.8.0?
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Thanks for checking The answer is probably in the log somewhere but it’s TMI and I get lost looking through it.PeterOn Nov 11, 2025, at 7:47 PM, ElleKayEm ***@***.***> wrote:
I don't know why you wouldn't get any keys. Hopefully someone else has an idea.
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Thanks for getting back to me I will respond tomorrow PeterOn Nov 11, 2025, at 9:45 PM, bhchan ***@***.***> wrote:
Looking at your log, just want to make sure you did the following... hopefully this will help.
your bat file should say
"C:\Users\Peter\Documents\My Kindle Content\KFXKeyExtractor28.exe" "C:\Users\Peter\Documents\My Kindle Content" keyfile keyfile.4i
the double-quotes are important because leftovers from MS-DOS days.
Also, I noticed lately, in Windows 11, I need to go to my kindle content folder and right-click 'open in terminal' and then run the bat from there. :( (But... I think your log file says you're running win10...)
Additionally, in the configuration for DeDRM, the 'ugly text box' it should say C:\Users\Peter\Documents\My Kindle Content\keyfile
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Got a new book that DeDRM is not working on: https://www.amazon.com/gp/product/B0DPRDDK1R When I run I've had no issues with any other books. |
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I'm not sure what you are asking, but this is the directory where the
book resides
C:\Users\<user>\Documents\My Kindle Content
…On 12/9/2025 4:44 PM, Satsuoni wrote:
What happens if you run it on only that book in separate folder? Full
output (sanitized)? And to confirm, B0DPRDDK1R_EBOK /is/ the book in
question, right?
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calibre-debug-log.txt Output of keyextractor
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Problem solved. I reinstalled the DeDRM plugin but using the pre-release version 16. Now all books convert. Thanks. |
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A book just came out yesterday and when I tried to use Jadehawk's method to get the Key, I got this error:
I was able to successfully strip the DRM from a couple other books at the same time. When I copied the file into calibre, instead of the normal .kfx format, it shows as .azw format so that may have something to do with it.
This is the book I was trying to strip the DRM from: https://www.amazon.com/Boat-Wizard-Fantasy-Adventure-Coastal-ebook/dp/B0FWRYP8NS/
I tried a few other, older methods that did not work either.
Any assistance would be appreciated. Thank you.
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